Hi Gretchen!
I just did a show last Saturday where it was 32 degrees and SLEETING all day! It was MISERABLE!
I agree to not care so much about how you look - and if it is going to get up to the 60's (lucky!!) then just wear something cute UNDER your layers of warm clothes that you can eventually peel down to.
I was wearing long underwear, knee-high socks, another pair of socks, boots, jeans, a thermal long-sleeved shirt, fleece, down coat, scarf and hat. And I was still cold ;) But I 'm a generally cold person so I wasn't surprised!
We were each given a pair of foot warmers - they actually WORKED! Next time I'm doing an outdoor show I will get them again, and probably another pair for my hands. I would also probably do the fingerless gloves PLUS mittens for the times you aren't handling money.
Bring tons of hot beverages with you. That helped. But I was surprised at the food vendors and how they couldn't keep their hot drinks hot either! Boo!
I also admit I brought a bottle of Kahlua with me - a little nip in my morning coffee and even if it didn't actually make me warmer, it made me not CARE as much that I was cold! And our lovely show promoters brought around a bottle of Peppermint Schnapps in the afternoon and everyone got a shot :) That worked!
Many vendors also brought down/fleece blankets to wrap up in when they weren't standing. It worked! Since it was so cold, we kind of threw all the ideas of "acting professional" out the window and none of the customers seemed to care.
Besides freezing to death, I had a great day for sales! :)
jesi